
/*样式重置 根据需要可酌情修改*/
body{ min-width:320px; max-width:750px; margin:0 auto; font-family:"microsoft yahei",sans-serif;line-height:1.5;color:#333; background:#fff; font-size: 12px;}
div,p,dl,dt,dd,ul,li,h1,h2,h3,h4,form,input,select,button,textarea,th,td,img{padding:0;margin:0;border:0;}
ul,ol,li { list-style:none; }
li{list-style-type:none;}
em,i { font-style:normal; }
img { border:0;  display:block;}
input,button{ vertical-align:middle}
input:focus { outline:0; }
a{color:#333; text-decoration:none;}
table { border-collapse:collapse; border-spacing:0; }
h1,h2,h3,h4,h5,h6 { font-weight:normal; font-size:100%; }
* { -webkit-tap-highlight-color:rgba(0,0,0,0); -webkit-box-sizing:border-box; -moz-box-sizing:border-box; box-sizing:border-box; }

.clearfloat:after{display:block;clear:both;content:"";visibility:hidden;height:0} 
.clearfloat{zoom:1} 